What is WordPress Hook: default_contextual_help
The default_contextual_help hook in WordPress is used to modify the contextual help tabs and content displayed on various admin screens. This hook allows developers to add, remove, or modify the help tabs and content that appear on different admin pages within the WordPress dashboard.
Understanding the Hook: default_contextual_help
The default_contextual_help hook is located within the WordPress admin screens where contextual help tabs and content are displayed. This hook is commonly used to provide additional information or instructions to users navigating the admin interface. Developers can use this hook to customize the help content based on the specific needs of their WordPress site.
Hook Parameters (if applicable): default_contextual_help
The default_contextual_help hook does not accept any specific parameters. However, developers can access information about the current screen and user context to dynamically generate help content based on the user’s role or the specific admin page being viewed.
Hook Doesn’t Work: default_contextual_help
If the default_contextual_help hook does not work as expected, it may be due to conflicts with other plugins or themes that also modify the contextual help tabs and content. To troubleshoot this issue, developers should deactivate other plugins or switch to a default WordPress theme to identify any conflicts. Additionally, ensuring that the hook is being added at the appropriate time during the WordPress loading process can also resolve issues with its functionality.
Best Practices & Usage Notes (if applicable): default_contextual_help
When using the default_contextual_help hook, developers should consider the user experience and avoid overwhelming users with excessive help content. It is best practice to provide concise and relevant information within the contextual help tabs to assist users in navigating the WordPress admin interface effectively. Additionally, developers should test the hook’s functionality across different admin screens to ensure consistent and accurate help content.
Usage Example: default_contextual_help
“`php
function custom_admin_help_content() {
$screen = get_current_screen();
if ( $screen->id === ‘dashboard’ ) {
$screen->add_help_tab( array(
‘id’ => ‘custom-help-tab’,
‘title’ => ‘Custom Help Tab’,
‘content’ => ‘
This is a custom help tab for the dashboard screen.
‘,
) );
}
}
add_action( ‘default_contextual_help’, ‘custom_admin_help_content’ );
“`
